Apache is a free and open-source cross-platform web server software.
HERE is a PaaS for creating custom maps, visualize location datasets, gather insights and buy and sell location assets.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Progressive Web Apps (PWAs) are web apps built and enhanced with modern APIs to deliver enhanced capabilities, reliability, and installability while reaching anyone, anywhere, on any device, all with a single codebase.